diff --git a/data/cncity/100000.txt b/data/cncity/100000.txt
index 3da62741..76f37510 100644
--- a/data/cncity/100000.txt
+++ b/data/cncity/100000.txt
@@ -183,6 +183,8 @@
 42.128.0.0/16
 42.160.0.0/12
 42.199.255.0/24
+42.240.13.0/24
+42.240.17.0/24
 42.245.0.0/17
 42.245.128.0/18
 42.245.194.16/28
diff --git a/data/cncity/110000.txt b/data/cncity/110000.txt
index c49b9cea..b8d9135f 100644
--- a/data/cncity/110000.txt
+++ b/data/cncity/110000.txt
@@ -658,7 +658,16 @@
 42.201.96.0/19
 42.204.0.0/14
 42.208.0.0/12
-42.240.0.0/17
+42.240.0.0/21
+42.240.8.0/22
+42.240.12.0/24
+42.240.14.0/23
+42.240.16.0/24
+42.240.18.0/23
+42.240.20.0/22
+42.240.24.0/21
+42.240.32.0/19
+42.240.64.0/18
 42.244.128.0/27
 42.245.192.0/23
 42.245.195.0/24
diff --git a/data/cncity/110100.txt b/data/cncity/110100.txt
index 7f92d63f..202a4a89 100644
--- a/data/cncity/110100.txt
+++ b/data/cncity/110100.txt
@@ -1,9 +1,7 @@
 1.2.2.0/24
 1.4.4.0/24
 27.131.220.0/22
-42.240.13.0/24
 42.240.14.0/23
-42.240.17.0/24
 42.240.18.0/23
 42.240.24.0/21
 42.240.32.0/19
diff --git a/data/country/CN/CN-BJ.txt b/data/country/CN/CN-BJ.txt
index c49b9cea..b8d9135f 100644
--- a/data/country/CN/CN-BJ.txt
+++ b/data/country/CN/CN-BJ.txt
@@ -658,7 +658,16 @@
 42.201.96.0/19
 42.204.0.0/14
 42.208.0.0/12
-42.240.0.0/17
+42.240.0.0/21
+42.240.8.0/22
+42.240.12.0/24
+42.240.14.0/23
+42.240.16.0/24
+42.240.18.0/23
+42.240.20.0/22
+42.240.24.0/21
+42.240.32.0/19
+42.240.64.0/18
 42.244.128.0/27
 42.245.192.0/23
 42.245.195.0/24